public static void SignIn(UserManager manager, ApplicationUser user, bool isPersistent)
 {
     IAuthenticationManager authenticationManager = HttpContext.Current.GetOwinContext().Authentication;
     authenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie);
     var identity = manager.CreateIdentity(user, DefaultAuthenticationTypes.ApplicationCookie);
     authenticationManager.SignIn(new AuthenticationProperties() { IsPersistent = isPersistent }, identity);
 }
 protected void CreateUser_Click(object sender, EventArgs e)
 {
     var manager = new UserManager();
     var user = new ApplicationUser() { UserName = UserName.Text };
     IdentityResult result = manager.Create(user, Password.Text);
     if (result.Succeeded)
     {
         IdentityHelper.SignIn(manager, user, isPersistent: false);
         IdentityHelper.RedirectToReturnUrl(Request.QueryString["ReturnUrl"], Response);
     }
     else
     {
         ErrorMessage.Text = result.Errors.FirstOrDefault();
     }
 }
 private void CreateAndLoginUser()
 {
     if (!IsValid)
     {
         return;
     }
     var manager = new UserManager();
     var user = new ApplicationUser() { UserName = userName.Text };
     IdentityResult result = manager.Create(user);
     if (result.Succeeded)
     {
         var loginInfo = Context.GetOwinContext().Authentication.GetExternalLoginInfo();
         if (loginInfo == null)
         {
             Response.Redirect("~/Account/Login");
             return;
         }
         result = manager.AddLogin(user.Id, loginInfo.Login);
         if (result.Succeeded)
         {
             IdentityHelper.SignIn(manager, user, isPersistent: false);
             IdentityHelper.RedirectToReturnUrl(Request.QueryString["ReturnUrl"], Response);
             return;
         }
     }
     AddErrors(result);
 }